Question

Rate of telephone calls is 50p/call for first 100 calls, 40p/call for next 100 calls and 25p/call for more calls than 200 calls. Find how many calls are possible. For rs 100.

Answer 1

Step-by-step explanation:

for 1st 100 call cost = 100×50 = 5000p = 50rupes

now for next 100 calls cost = 40×100= 40rupes

now for next 40calls cost = 25×40= 10rupes

total cost= 50+40+10 = 100.

total calls = 100+100+40 = 240 calls